Pith Number

pith:UJBWOSWI

pith:2013:UJBWOSWIA22Q2DXVZTZCPJ7L3P

not attested not anchored not stored refs pending

Fredholm alternative, semilinear elliptic problems, and Wentzell boundary conditions

Ciprian G. Gal, Gisele Ruiz Goldstein, Jerome A. Goldstein, Mahamadi Warma, Silvia Romanelli

arxiv:1311.3134 v1 · 2013-11-13 · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UJBWOSWIA22Q2DXVZTZCPJ7L3P}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:07:13.003402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a243674ac806b50d0ef5ccf227a7ebdbd6eddd516f98489d5a232d8fbdc2306f

Aliases

arxiv: 1311.3134 · arxiv_version: 1311.3134v1 · doi: 10.48550/arxiv.1311.3134 · pith_short_12: UJBWOSWIA22Q · pith_short_16: UJBWOSWIA22Q2DXV · pith_short_8: UJBWOSWI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UJBWOSWIA22Q2DXVZTZCPJ7L3P \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a243674ac806b50d0ef5ccf227a7ebdbd6eddd516f98489d5a232d8fbdc2306f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e80c8a5781aec5f4058b9e985981b4185807198c91eb11cda9d2157c285e548",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-11-13T14:05:36Z",
    "title_canon_sha256": "fcea92fa9be31cf554eaa9050d6514f8d16c41ffe036c1da711f73f96f6dd76d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.3134",
    "kind": "arxiv",
    "version": 1
  }
}